there was also a difference with president obama. he was assertive in the second debate and even more so in this one trying to match and point out what he considered to be romney's contradictions throughout last night's debate. >> time to get to work now. they have two weeks to go. thank you, so much, randall pinkston live in boca raton, florida. >>> for campaign coverage anytime at your convenience, log on to our website, cbssf.com. >>> pg&e reportedly tells regulators some of the bay area pipelines are safe but they don't have proof that they were actually tested. cbs 5 reporter elissa harrington is in concord now where one of those unsuspected pipes actually lies. >> reporter: we're talking about 4.5 miles of pipeline at risk of internal corrosion, in martinez, newark, fremont, san jose, concord and the bay point areas. pg&e said that these were all checked and were safe but the company told the "san francisco chronicle" yesterday they can't find the records to back it up in those crucial inspections -- and those crucial inspectio